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14224789 = 83171383
BaseRepresentation
bin110110010000…
…110110010101
3222202200202001
4312100312111
512120143124
61224515301
7231623455
oct66206625
928680661
1014224789
118036327
12491bb31
132c40847
141c63d65
1513aeb44
hexd90d95

14224789 has 4 divisors (see below), whose sum is σ = 14396256. Its totient is φ = 14053324.

The previous prime is 14224757. The next prime is 14224813. The reversal of 14224789 is 98742241.

14224789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98742241 = 137595557.

It is a cyclic number.

It is not a de Polignac number, because 14224789 - 25 = 14224757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14224709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85609 + ... + 85774.

It is an arithmetic number, because the mean of its divisors is an integer number (3599064).

Almost surely, 214224789 is an apocalyptic number.

It is an amenable number.

14224789 is a deficient number, since it is larger than the sum of its proper divisors (171467).

14224789 is an equidigital number, since it uses as much as digits as its factorization.

14224789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171466.

The product of its digits is 32256, while the sum is 37.

The square root of 14224789 is about 3771.5764608450. The cubic root of 14224789 is about 242.2973202866.

The spelling of 14224789 in words is "fourteen million, two hundred twenty-four thousand, seven hundred eighty-nine".

Divisors: 1 83 171383 14224789